social networks

What do youse all think about all the groups you find on Facebook for sharing videos in? Do you think its worth while being a member of these groups and sharing in them?

On my channel, just above the Subscribe button at the top right, i have links / buttons to my Twitter, Google Plus 1, Facebook and LinkedIn.. Why are these buttons on my channel un-clickable? It it a bug on YouTube or something? or Have i added them wrong or something? ::P Anyone know?

Hi all, I want to get started with promotion on social networks but have no idea where to start. I run a tech channel but don't know how I should go about promoting videos because all of the groups I see are either spammy as they are, empty, or have no one else promoting. There seems to be no...